Madhi Shabir A, Ihekweazu Chikwe, Rees Helen, Pollard Andrew J
South African Medical Research Council Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand, Parktown 2193, South Africa.
World Health Organization, Hub for Pandemic and Epidemic Intelligence, Berlin, Germany.
Lancet. 2022 Mar 12;399(10329):1047-1048. doi: 10.1016/S0140-6736(22)00109-X. Epub 2022 Feb 18.